Source:http://linkedlifedata.com/resource/umls/id/C0872319
CSP: human populations that have not received adequate medical attention or health care facilities.,MSH: Patient groups that may include those with special needs, homeless people, those with low income, or in remote communities and minority groups,NCI: Populations that do not have adequate access to medical care. This includes rural, elderly, low-literacy, blue collar, and poor populations. Minorities per se are not included but often belong to one or more or the included categories.